XtensaAsmPrinter.h

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//===- XtensaAsmPrinter.h - Xtensa LLVM Assembly Printer --------*- C++-*--===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Xtensa Assembly printer class.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_XTENSA_XTENSAASMPRINTER_H
#define LLVM_LIB_TARGET_XTENSA_XTENSAASMPRINTER_H
 
#include "XtensaTargetMachine.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/Support/Compiler.h"
 
namespace llvm {
class MCStreamer;
class MachineBasicBlock;
class MachineInstr;
class Module;
class raw_ostream;
 
class LLVM_LIBRARY_VISIBILITY XtensaAsmPrinter : public AsmPrinter {
  const MCSubtargetInfo *STI;
 
public:
  static char ID;
 
  explicit XtensaAsmPrinter(TargetMachine &TM,
                            std::unique_ptr<MCStreamer> Streamer)
      : AsmPrinter(TM, std::move(Streamer), ID), STI(&TM.getMCSubtargetInfo()) {
  }
 
  StringRef getPassName() const override { return "Xtensa Assembly Printer"; }
  void emitInstruction(const MachineInstr *MI) override;
 
  void emitConstantPool() override;
 
  void emitMachineConstantPoolEntry(const MachineConstantPoolEntry &CPE, int i);
 
  void emitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) override;
 
  void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
 
  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
                       const char *ExtraCode, raw_ostream &O) override;
 
  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
                             const char *ExtraCode, raw_ostream &OS) override;
 
  MCSymbol *GetConstantPoolIndexSymbol(const MachineOperand &MO) const;
 
  MCSymbol *GetJumpTableSymbol(const MachineOperand &MO) const;
 
  MCOperand LowerSymbolOperand(const MachineOperand &MO,
                               MachineOperand::MachineOperandType MOTy,
                               unsigned Offset) const;
 
  // Lower MachineInstr MI to MCInst OutMI.
  void lowerToMCInst(const MachineInstr *MI, MCInst &OutMI) const;
 
  // Return an MCOperand for MO.  Return an empty operand if MO is implicit.
  MCOperand lowerOperand(const MachineOperand &MO, unsigned Offset = 0) const;
};
} // end namespace llvm
 
#endif /* LLVM_LIB_TARGET_XTENSA_XTENSAASMPRINTER_H */